/*
 * @Description: 
 * @Version: 1.0
 * @Author: marshal
 * @Date: 2022-06-11 18:18:05
 * @LastEditors: marshal
 * @LastEditTime: 2022-06-24 11:37:01
 */
#include <stdio.h>

#define JUST_CHEKING
#define LIMIT 4

#undef JUST_CHEKING

int main()
{
    int i;
    int total = 0;
    for (i = 1; i <= LIMIT; i++)
    {
        total += 2 * i * i + 1;
#ifdef JUST_CHEKING
        printf("i=%d, running total = %d\n", i, total);
#endif
    }
    printf("Grand total = %d\n", total);
    return 0;
}